| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sigmocheilus compressus
Taxonomy
Sigmocheilus compressus was named by Palmer (1968).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1968 | Sigmocheilus compressus Palmer |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Sigmocheilus compressus Palmer 1968
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004 | |||||
Age range: Dresbachian or 501.00000 to 485.40000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dresbachian | USA (Alaska) | Sigmocheilus compressus (64799 64800) |